1A, 2A, 3A, 4A, 6B, 7A, 8B, 9B, 10C,1now, middle school students should pay attention to a certain nutritional collocation in their diet, form a good habit of not eating snacks or eating fewer snacks, and eat three meals a day on time. Don't be picky about food, don't be partial to food, because you are growing.